Home / 120,475.07-166,256.57-66,760.98

Finding the Fourth Proportional to 120,475.07, 166,256.57 and 66,760.98

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Solution

The fourth proportional to 120,475.07, 166,256.57 and 66,760.98 is: 92,130.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,475.07 : 166,256.57 = 66,760.98 : x
  2. Step 2: Convert to fraction form
    120,475.07/166,256.57 = 66,760.98/x
  3. Step 3: Cross multiply
    120,475.07x = 166,256.57 × 66,760.98
  4. Step 4: Simplify right side
    120,475.07x = 11,099,451,210.83
  5. Step 5: Solve for x
    x = 11,099,451,210.83/120,475.07
  6. Step 6: Final answer
    x = 92,130.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.